<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="checkedAllState">
			<radio :checked="fullChecked" color="#C00000"/><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="sum-total">
			合计:<text class="sum-total-text">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">
			结算({{checkedCount}})
		</view>
	</view>
</template>

<script>
	import {mapGetters,mapMutations,mapState} from 'vuex'
	export default {
		data() {
			return {
				seconds:3,
				// 定时器id
				timer:null,
			};
		},
		computed:{
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token'],['redirectInfo'],['addressInfo']),
			...mapState('m_cart',['cart']),
			fullChecked(){
				// console.log(this.total)
				return this.total === this.checkedCount
			}
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			checkedAllState(){
				console.log(!this.fullChecked)
				this.updateAllGoodsState(!this.fullChecked)
			},
			// 点击结算按钮
			settlement(){
				if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
				if(!this.addstr) return uni.$showMsg("请选择地址")
				// uni.$showMsg("请先登录")
				if(!this.token) return this.delayLogin()
				// 实现微信支付功能
				this.payOrder()
			},
			async payOrder(){
				// 1.创建订单
				// 请求创建订单的 API 接口：把（订单金额、收货地址、订单中包含的商品信息）发送到服务器
				// 服务器响应的结果：订单编号
				 // 1.1 组织订单的信息对象
				const orderInfo = {
					// order_price:this.checkedGoodsAmount,  写死商品价格 便于开发
					order_price:0.01,
					consignee_addr:this.addressInfo,
					goods:this.cart.filter(x => x.goods_state).map(x => ({goods_id:x.goods_id,goods_number:x.goods_count,goods_price:x.goods_price}))
				}
				// 1.2 发起请求创建订单
				const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				if(res.meta.status != 200) return uni.$showMsg('创建订单失败！')
				// console.log(res)
				// 1.3 得到服务器响应的“订单编号”
				const orderNumber = res.message.order_number
				
				// 2.订单预支付
				const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
				// console.log(res2)
				if(res2.meta.status != 200) return uni.$showMsg('预付订单生成失败！')
				const payInfo = res2.message.pay
				
				// 3.发起微信支付
				const [err,succ] = await uni.requestPayment(payInfo)
				if(err) return uni.$showMsg('订单未支付！')
				const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
				if(res3.meta.status != 200) return uni.$showMsg('订单未支付！')
				uni.showToast({
					title:'订单支付完成！',
					icon:'success'
				})
			},
			//设置倒计时3秒弹窗
			showTime(n){
				 uni.showToast({
					icon:'none',
				 	title:'请登录后再结算！还有'+ n +'秒跳转到登录页',
					// 遮罩层
					mask:true,
					// 1.5秒后自动消失
					duration:1500
				 })
			},
			// 倒计时登录方法
			delayLogin(){
				this.seconds = 3
				this.showTime(this.seconds)
				this.timer = setInterval(()=>{
					this.seconds--
					
					if(this.seconds <= 0){
						// 清除定时器
						clearInterval(this.timer)
						// 跳转到my页面
						uni.switchTab({
							url:'/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									// 跳转的方式
									openType:'switchTab',
									// 从那个页面跳过去的
									from:'/pages/cart/cart'
								})
							}
						})
						// this.seconds = 3
						return
					}
					this.showTime(this.seconds)
				},1000)
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container{
	position: fixed;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 50px;
	background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-left: 5px;
	font-size: 14px;
	.radio{
		display: flex;
		align-items: center;
	}
	.sum-total{
		.sum-total-text{
			color: #C00000;
			font-weight: bold;
		}
	}
	.btn-settle{
		min-width: 100px;
		background-color: #C00000;
		height: 50px;
		line-height: 50px;
		text-align: center;
		color: #FFFFFF;
		padding: 0 10px;
	}
}
</style>
